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High-Accuracy Op Amp Featured at STMicroelectronics

STMicroelectronics has announced the outstanding features of its TSV7722 precision high-bandwidth operational amplifier. The op amp also has a gain-bandwidth of 22MHz and slew rate of 11V/μs that is well-suited for high-speed signal conditioning and accurate current measurement in power-conversion circuits and optical sensors.

ST opampThe maximum input-offset voltage of 200µV (typical 50µV at 25°C) and extremely low input-voltage noise density of 7nV/√Hz permit accurate low-side current measurements.

Also, the typical input bias current of 2pA enables accurate photodiode-current measurement in optical-sensing applications such as smoke detectors. Unity-gain stable, and fully specified on a load of 47pF, the TSV7722 can be used as an input buffer for analog-to-digital converters (ADCs).

With an operating voltage range of 1.8V-5.5V, the TSV7722 op amp can be powered from the same supply as low-voltage CMOS components, such as a microcontroller, or a deeply discharged battery.

Moreover, the TSV7722’s precision parameters and stability over temperature further simplify circuit design by ensuring outstanding accuracy without precision resistors or trimming after assembly.

By providing accurate and responsive current measurements for power-conversion systems, the TSV7722 enhances energy efficiency in applications such as automotive smart mobility, solar panels, telecom infrastructure, and computer servers.

Automotive-qualified devices from STMicroelectronics will be available in the second half of 2021. The TSV7722 is included in ST’s 10-year longevity program that assures long-term component supply.

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Aishwarya Saxena

A book geek, with creative mind, an electronics degree, and zealous for writing.Creativity is the one thing in her opinion which drove her to enter into editing field. Allured towards south Indian cuisine and culture, love to discover new cultures and their customs. Relishes in discovering new music genres.

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